Battery jump starting device



FIG. 1 is a perspective view of a battery jump starting device, with the cables shown detached for ease of illustration;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is right view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines in the drawings depict portions of the battery jump starting device that form no part of the claimed design. 

CLAIM The ornamental design for a battery jump starting device, as shown and described. 